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参数资料
| 型号： | LC74950BG |
| 厂商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA96 |
| 封装： | 6 X 6 MM, FBGA-96 |
| 文件页数： | 12/37页 |
| 文件大小： | 350K |
| 代理商： | LC74950BG |
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LC74950BG
No.A1647-2/37
Functions & Overview
1. Input
All the inputs listed below can be connected to the analog ports. It is also possible to switch between the inputs of
two systems and use the one selected.
YCbCr/YPbPr input (480I/576I, 480P/576P): Component input
RGB: RGB input
External clock supported
2. Output
Digital 8-bit/channel output
3. Clamp
Analog clamping and digital clamping supported
4. Gain
Digital gain adjustment
5. PLL circuit
This circuit can be used as the H lock or frequency-multiplied clock. It is also possible to use the PLL circuit and
analog-digital converter (ADC) independently.
H lock PLL circuit: This makes it possible to generate a clock synchronized with the external H sync signal.
Frequency-multiplier PLL circuit: This makes it possible to generate clocks synchronized with an external clock.
6. External interface
I
2C: This supports the 100kHz mode. It is possible to select slave addresses by establishing pin settings.
Slave addresses: 0x98, 0x9A
7. PDOWN
Power-down of the whole system can be controlled using the PDOWN pin. Alternatively, the ADC, PLL and other
circuits can be powered down separately using register settings. This makes it possible to limit the power as required.
Specifications
Absolute Maximum Ratings at Ta = 25
°C, DVSS = 0V, AVSS = 0V
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage (I/O)
DVDD33
AVDD33
-0.3 to +3.95
V
Maximum supply voltage (core)
DVDD15
AVDD15
-0.3 to +1.8
V
VI
-0.3 to +5.5
V
Digital input voltage
VI
(when in low voltage)
-0.3 to DVDD33+0.3
V
Digital output voltage
VO
-0.3 to DVDD33+0.3
V
Operating temperature
Topr
-30 to +70
°C
Storage temperature
Tstg
-55 to +125
°C
Allowable Operating Ranges at Ta = -30 to +70
°C
Ratings
Parameter
Symbol
Conditions
min
typ
max
unit
AVDD33
3.00
3.3
3.60
V
Max 40MHz
3.00
3.3
3.60
V
Supply voltage (I/O)
DVDD33
Max 30MHz
2.40
3.3
3.60
V
Supply voltage (I/O)
DVDD15
AVDD15
1.35
1.5
1.65
V
Input voltage range
(5V withstand voltage pin)
VIN5
0
5.5
V
Input voltage range
(non-5V withstand voltage pin)
VIN
0
3.9
V
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| LC74950BG-TLM-H | 功能描述:视频模拟/数字化转换器集成电路 RoHS:否 制造商:Texas Instruments 输入信号类型:Differential 转换器数量:1 ADC 输入端数量:4 转换速率:3 Gbps 分辨率:8 bit 结构: 输入电压:3.3 V 接口类型:SPI 信噪比: 电压参考: 电源电压-最大:3.45 V 电源电压-最小:3.15 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TCSP-48 封装:Reel |
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